Item Type: Water Soluble Paper Brand: AQUASOL Manufacturer Part Number: ASW-40C/R-20 Made in the United States Features: Made Of Sodium Carboxyl Methyl, Can Be Used To Dam Argon Or Helium Gases During Tungsten Inert Gas (Tig) Welding Of Steel Or Aluminum Pipes. After Welding Is Complete, Flush Out Of System With Water Leaving No Residue In The Pipeline. Environmentally Friendly And Nontoxic. Can Be Formed Into Any Size Purge Dam. Position Minimum Of 6-8 Inches From Root Gap.

Item Type: Water Soluble Paper Brand: AQUASOL Manufacturer Part Number: ASW-40C/R-20 Made in the United States Features: Made Of Sodium Carboxyl Methyl, Can Be Used To Dam Argon Or Helium Gases During Tungsten Inert Gas (Tig) Welding Of Steel Or Aluminum Pipes. After Welding Is Complete, Flush Out Of System With Water Leaving No Residue In The Pipeline. Environmentally Friendly And Nontoxic. Can Be Formed Into Any Size Purge Dam. Position Minimum Of 6-8 Inches From Root Gap.